01-02-2024, 07:33 PM | #1 |
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Drivetrain Malfunction Error??
Hey guys just wondering if anyone can chime in here for some insight, also please let me know if this isn’t in the right section!
During a couple of track sessions I’ve noticed twice the drivetrain malfunction would come on when I had the car at about 160kmh in sport plus and floored it to about 200kmh where it drivetrain malfunctioned me then it would just clear up after 50-60kms like nothing happened. I’m thinking could be because I’m Catless + straight piped with no tune maybe over boosting throwing the car in a temp limp?? Not sure what it is tho if anyone can help I’d appreciate it greatly!! Thanks guys! |
01-02-2024, 09:49 PM | #2 |
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I had the same thing happen to me. It cleared up after a few minutes and there were no stored codes. No idea.
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01-03-2024, 08:41 AM | #3 |
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01-05-2024, 09:48 PM | #4 |
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Ok, I have a theory. I just went for a test drive and was able to get the error to repeat and it would clear after a restart. I was in track mode with DCS off and the valves closed on my aftermarket exhaust. A few moments after I would floor it I could hear the engine struggling and then it would give the error and cut the power for a moment. I suspect that it sensed the higher-than-expected backpressure and threw the error to prevent damage. I would then reset it, open the aftermarket exhaust valves, put it in track mode, and floor it and there were no problems. I am hitting the track tomorrow and will post if I see it happen again.
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2022 M850i
2023 M2; MCS 3-way coilover, Vorshlag Camber plates, 19" Apex VS-5RS, 305 Nankang CR-S, Adro wing, IRL exhaust, Racechip, Mishi Skidplate, KG Splitter; IG:g87_43 |
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01-11-2024, 05:09 AM | #5 |
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I have found this to be true for me as well, also if you keep the valves closed on my aftermarket exhaust while driving the shit out of it, I can get an emissions CEL to Templary show.
Just keep your valves open when driving it hard and you shouldn't have a problem. |
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01-16-2024, 11:16 AM | #6 | |
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01-16-2024, 12:13 PM | #7 | |
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